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Notebookcheck’s Wi-Fi browsing comparison found the Samsung Galaxy A56 5G lasted 24.5 hours, versus 14.9 hours for the Galaxy A57. That is about 64% longer relative to the A57 in this particular test—not a verified claim that the A56’s battery is 63% better in everyday use.
What the 63% claim actually establishes
The available evidence does not verify an exact 63% figure or identify the claim’s original source. The closest substantiated comparison is Notebookcheck’s Wi-Fi browsing test: the A56 ran 9.6 hours longer than the A57. Calculated against the A57’s 14.9-hour result, that difference is about 64%. The percentage describes the relative runtime in that workload, not a general battery-life advantage. Notebookcheck’s Galaxy A57 review and comparison provides the comparison; its publication year was not stated in the returned result.
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Galaxy A56 vs. A57: the measured results
| Phone | Wi-Fi browsing runtime | How to read the result |
|---|---|---|
| Samsung Galaxy A56 5G | 24.5 hours | Notebookcheck comparison result; publication year not stated. |
| Samsung Galaxy A57 | 14.9 hours | Notebookcheck comparison result; publication year not stated. |
The arithmetic is (24.5 − 14.9) ÷ 14.9, or approximately 64%. It compares the extra time against the A57’s measured runtime. It does not mean every A56 owner should expect a fixed percentage more use between charges: screen settings, signal quality, apps, and workload affect real-world endurance, and the test result applies to Wi-Fi browsing.
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The Notebookcheck comparison makes the Galaxy A56 5G the specific Samsung alternative supported by this battery claim. The result alone does not establish that it is the better overall purchase.
#1 Best Overall
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Why battery rankings change with the workload
The A57’s separate Notebookcheck tests
Notebookcheck lists the Galaxy A57 at 14 hours 54 minutes of Wi-Fi browsing, 26 hours 50 minutes of H.264 video playback, and 3 hours 35 minutes under load. These are results from different test conditions, not interchangeable measures of one universal battery-life figure. The 14-hour-54-minute browsing result is close to the rounded 14.9-hour value in the A56 comparison. Notebookcheck’s review does not state a publication year in the returned result.
A comparison with the Galaxy S25 FE
Workload can even reverse which phone leads. In its Galaxy A57 versus Galaxy S25 FE comparison, GSMArena reports the A57 ahead in web browsing and video streaming, while the S25 FE lasts longer in 4G calls. That comparison is a useful warning against turning any single test into a blanket statement about which phone has “better battery life.” The returned result did not state a publication year.
Rank #2
- Battery Model：EB-BA566ABY,Compatible with：Samsung Galaxy A36 5G SM-A366/Galaxy A56 5G SM-A566. Make sure your device is suitable for this replacement battery before ordering.
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- Installation videos could be found on the internet like YouTube.
Capacity and charging are context, not endurance guarantees
GSMArena lists the Galaxy A57 with a 5,000 mAh battery and reports that it reached 64% charge after 30 minutes in its charging test. Notebookcheck also lists a 5,000 mAh battery for the A57. Capacity describes stored charge, while the runtime tests show how long the phone lasted under particular workloads; neither capacity nor a charging result determines how long a reader’s phone will last in daily use. The GSMArena A57 lab-test page and Notebookcheck review do not have publication years established in the returned material.
Quick Recap
Rank #4
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Rank #3
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How to use these results when choosing a phone
- Match the test to your routine. Frequent browsing makes the A56 comparison more relevant; long video sessions or calls call for results from those specific workloads.
- Compare the actual runtimes. The A56’s 24.5 hours versus the A57’s 14.9 hours is more informative than an unqualified “63% better” headline.
- Keep test conditions attached to the percentage. Here, the approximately 64% figure is a calculation from Notebookcheck’s Wi-Fi browsing comparison, not an independently measured everyday-use percentage.
- Weigh battery alongside other priorities. These results do not determine which phone is best overall for every buyer.
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